| BR | blowing ratio = (ρU)c / (ρU)∞ |
| D | diameter of film cooling hole |
| L | length of hole |
| P | spacing between film cooling holes |
| T | temperature |
| U | velocity component in streamwise direction |
| x | streamwise distance from hole leading edge |
| y | spanwise distance from hole centerline |
| z | vertical distance from tunnel floor |
| η | film cooling effectiveness |
| θ | dimensionless air temperature |
| ρ | Density |
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